Ref: http://www.w3.org/WAI/GL/WCAG20/WD-WCAG20-HTML-TECHS-20031104.html
While the title attribute can be used on most elements, the document advises that it should not be used on the img and table elements. It will be more effective if these elements are listed separately under 1.1 instead of including them under the present list of six items.
Sailesh Panchang
Senior Accessibility Engineer
Deque Systems,11180 Sunrise Valley Drive,
4th Floor, Reston VA 20191
Tel: 703-225-0380 Extension 105
E-mail: sailesh.panchang@deque.com
Fax: 703-225-0387
* Look up <http://www.deque.com> *